<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>jQuery的引入</title>
   
      <script src="../jQuery-3.6.3.min.js"></script>

      
<script src="http://code.jquery.com/jquery-3.6.0.min.js"></script>
    <script>

$(function(){
    alert("hellffdggo! jQery");
})

    </script>
</head>
<body>
    
</body>
</html>